Quick Identification Gallery

Taxononomic Index

Kingdom Animalia

Phylum Arthropoda

Class Crustacea

• Order Thoracica (Barnacles)
  • Suborder Lepadomorpha
    • Family Scalpellidae
      • Cretiscalpellum vallum Collins   (Mississippi) 
• Order Crustacea (Crabs, Lobsters, and Shrimp)
  • Trace fossils thought to be decapod crustacean burrows
    • Halymenites major Lesquereux  (New Jersey) 
    • Thalassinoides Ehrenberg sp.  (Texas)  
  • Suborder Reptania
    • Tribe Palinura
      • Family Scyllaridae
        • Linuparus White sp.  (Tennessee) 
    • Tribe Anomura
      • Superfamily Paguroidea
        • Family Paguridae
          • Palaeopagurus banderensis (Rathbun)  (Texas) 
      • Superfamily Thalassinoidea
        • Family Callianassidae (Ghost Shrimp)
          • Protocallianassa mortoni (Pilsbry)  (New Jersey and Texas) 
    • Tribe Brachyrhyncha
      • Superfamily Portunoidea
        • Family Portunidae (Active Swimming Crabs)
          • Xanthosia aspera Rathbun  (Texas)   
          • Xanthosia elegans Roberts  (New Jersey) 
          • Xanthosia occidentalis Bishop  (South Dakota) 
          • Xanthosia wintoni Rathbun  (Texas) 
    • Tribe Brachyura
      • Superfamily Dakoticancroidea
        • Family Dakoticancridae
          • Dakoticancer australis Rathbun  (Mississippi) 
      • Superfamily Raninoidea
        • Family Raninidae
          • Notopocorystes dichrous Stenzel  (Texas) 
        • Family Atelecyclidae
          • Avitelmessus grapsoideus Rathbun  (Tennessee) 
    • Tribe Oxystomata
      • Superfamily Calappoidea
        • Family Calappidae
          • Necrocarcinus texensis Rathbun  (Texas) 
          • Protonecrocarcinus ovalis Stenzel  (Texas) 
          • Cenomanocarcinus vanstraeleni Stenzel  (Texas) 

The classification scheme is based on Bishop and Rathbun:

• Bishop, G. A.  1986.  Occurrence, Preservation, and Biogeography of the Cretaceous Crabs of North America.  Academy of Natural Science of Philadelphia, Crustacean Biogeography, 111–142.

• Rathbun, M. J.  1935.  Fossil Crustacea of the Atlantic and Gulf Coastal Plain.  Geological Society of America Special Paper 2, 1–160